Pass data using JSON and retrieve it in view page

Question

This is a part of my controller,i need to pass the data in the variable $coinPacks into my view page

else {
            $coinPacks=$packs->getPacks();
            // print_r($coinPacks);
            echo $this->_helper->json(array('error'=>array('error_code'=>300,'error_message'=>'No enough coins to do correction.','pack'=>$coinPacks)));
        }

here is the view page part

alert(JSON.stringify(response.error));
         // foreach($pack as $newpacks)
         // {

            answerContent = answerContent + '<p class="buy-coins" value="1" coins="100">200 &nbsp; &nbsp; &nbsp; &nbsp; $1</p><p>';
            answerContent = answerContent + '<p class="buy-coins" value="3" coins="500">500 &nbsp; &nbsp; &nbsp; &nbsp; $3</p><p>';
            answerContent = answerContent + '<p class="buy-coins" value="5" coins="1000">1000 &nbsp; &nbsp; &nbsp; &nbsp; $5</p><p>';
            answerContent = answerContent + '<p class="buy-coins" value="15" coins="5000">5000 &nbsp; &nbsp; &nbsp; &nbsp; $15</p><p>';
          // }

i need to get the values that passes from the view and use the value to make loop and display the corresponding value from the database.i really don't have much knowledge in json.please give me some advice.

am getting an alert like this

{"error":{"error_code":300,"error_message":"No enough coins to do correction.","pack":{}}}

first, check the value of $coinPacks Zend_Debug::dump($coinPacks); it seems its not valid value for json response. — konradwww
– konradwww, Commented Mar 26, 2014 at 7:10
@konradwww when using that it showing response like this <pre>object(Zend_Db_Table_Rowset)#147 (10) { ["_data":protected] => array(4) { [0] => array(3) { ["id"] => string(1) "1" ["number_of_coins"] => string(3) "100" ["price"] => string(4) "1.00" — Arun
– Arun, Commented Mar 27, 2014 at 4:57

konradwww · Accepted Answer · 2014-03-27 10:00:58Z

1

try first convert it to array with $coinPacks->toArray()

answered Mar 27, 2014 at 10:00

konradwww

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Comments

Arun · Accepted Answer · 2014-03-27 09:35:09Z

converted it into an array

   $coinPacks=$packs->getPacks();
                $coinpacks = array();
                foreach($coinPacks as $coin){
                    $coinpacks['id'] = $coin->id;
                    $coinpacks['number_of_coins'] = $coin->number_of_coins;
                    $coinpacks['price'] = $coin->price;
                    $coins[] = $coinpacks;
                }

and call it in the view page

  var coin = response.pack;                                                                                                                 

  for(var i=0;i<coin.length;i++)                                                                                               
  {                                   
      answerContent = answerContent + '<p class="buy-coins" value="'+coin[i].price+'" coins='+coin[i].number_of_coins+'>'+coin[i].number_of_coins+' &nbsp; &nbsp; &nbsp; &nbsp; $'+coin[i].price+'</p><p>';                  
  }

Now its working good

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